It's good to know that intellectual brain teasers like these ones are actually in existence. I mean, obviously the winner is awarded with a prize. But the fact that these kind of brain benders actually increase our IQ and they are readily available to us via the internet. Way to go Steemit.com, you've found another way to make people smarter AND increase they value of your website and your cryptocurrency. And kudos goes to the winner! NIce Job. sir.